How do I get my yahoo email window to open wider?

When I click on the top window to make my yahoo page bigger, it does not open as big as the screen.

How do I get my yahoo email window to open wider?
have u tried to click on the max and min at the top right corner of the web page a square box by the x for closing ur page
Reply:Have you tried running the mouse on either side of the page until you see an arrow, runs rt -lft, lft click on the edge of the page and pull the page as wide as you want it. Worth a try.

survey monkey